ul>li{list-style-type: none;}
img,a{display: block;}
body,nav,img{margin: 0;padding: 0;}
body{font-family: 微软雅黑;color: #191717;}
*{padding:0px;margin:0px;border:0px;list-style-type:none;}
.left-float{float: left;}
.right-float{float: right;}
p{font-size: 14px;line-height: 1.8em;}
.padtop-10{padding-top: 10px}
.padtop-20{padding-top: 20px}
.padtop-30{padding-top: 30px}
.padbot-10{padding-bottom: 10px}
.padbot-20{padding-bottom: 20px}
.padbot-30{padding-bottom: 30px;}
.martop-10{margin-top: 10px}
.martop-20{margin-top: 20px}
.martop-30{margin-top: 30px}
.marbot-10{margin-bottom: 10px}
.marbot-20{margin-bottom: 20px}
.marbot-30{margin-bottom: 30px;}